metamorpherrat | b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22

General

Target

b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe
Size

78KB
MD5

c8410b400bb6749891d425553e408d60
SHA1

d0833742443c6353faef910a585288e93bdeec99
SHA256

b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22
SHA512

798164b84064b3c3cca36c89a2cf79dfbecd5e4b66759dbdb3f10bcab4c4021b5d6e2fe78da2033a5938eb7214dbe62ff6e319adba52383cdf9ba35fd65d0c59
SSDEEP

1536:XuHFo6M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtRK9/nM1Gy:XuHFon3xSyRxvY3md+dWWZyRK9/nI

Score

10^/10

metamorpherrat discovery persistence rat stealer trojan

Malware Config

Signatures

MetamorpherRAT
Metamorpherrat is a hacking tool that has been around for a while since 2013.
trojan rat stealer metamorpherrat
Metamorpherrat family
metamorpherrat

Executes dropped EXE 1 IoCs

pid	Process
1932	tmp9608.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe
2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp9608.tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp9608.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe
Token: SeDebugPrivilege	1932	tmp9608.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2372	2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe	30
PID 2416 wrote to memory of 2372	2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe	30
PID 2416 wrote to memory of 2372	2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe	30
PID 2416 wrote to memory of 2372	2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe	30
PID 2372 wrote to memory of 2552	2372	vbc.exe	32
PID 2372 wrote to memory of 2552	2372	vbc.exe	32
PID 2372 wrote to memory of 2552	2372	vbc.exe	32
PID 2372 wrote to memory of 2552	2372	vbc.exe	32
PID 2416 wrote to memory of 1932	2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe	33
PID 2416 wrote to memory of 1932	2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe	33
PID 2416 wrote to memory of 1932	2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe	33
PID 2416 wrote to memory of 1932	2416	b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe	33

C:\Users\Admin\AppData\Local\Temp\b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe
"C:\Users\Admin\AppData\Local\Temp\b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\66psrubg.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES9770.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc975F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2552
- C:\Users\Admin\AppData\Local\Temp\tmp9608.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp9608.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b2e89434a5bdcb9b59913cd60c19731f07c5c188868e8a5ae640abbcee5b4a22N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\66psrubg.0.vb

Filesize
15KB

MD5
85db9c723e861f7a8e83b3621500a633

SHA1
26cbaff66fe3ab35eb2883bdca99a65396489414

SHA256
2fafa4bde939827db1a5956bffd095295ec9c321dc9cb95131146a3f7bae959f

SHA512
e269fe60f4290e90e1ad58818d7bfe4fe7f9418e1a525e41fd0d0c5246b289867acb08a4b827458d4127d2c177d8c06035266626b89c94bb574b364293e60f82

Download Submit
C:\Users\Admin\AppData\Local\Temp\66psrubg.cmdline

Filesize
266B

MD5
cab29f22f94f337f1707f20b28369b02

SHA1
c5fe5650c07c76c295267562b6083236a89d36d6

SHA256
c3d4d4084aeb8c62e69b77db8f69618c1caf033da5e2144ceccb876fb66acdd7

SHA512
a4cabea46727aeaae01d33dbd91dd87973034d1c08297ff6fa1befa87e2a5348eee307a625dd9716783c8fc89eaa4ad8718d8dea84956bcd93a2341f3232529a

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES9770.tmp

Filesize
1KB

MD5
cd91be2740d5bbd06daa4451bf6b5e83

SHA1
c4167375cfee30b41c3b02b7be3240f7cd4fa343

SHA256
1b65c2531c5bdc7d04ff396601195a4ac952723feb281a12b7546c95a576dae3

SHA512
086fe04014910087c58769acfb4da8cd89d9cc236ef4096985512aa09dcb24c3862398fa66b286442c202565004eaa5e7b9e16b77bf2babba8423dadcdf81e58

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9608.tmp.exe

Filesize
78KB

MD5
a58806a619e9ed7764389430c43e1e9e

SHA1
dc21122b3eb192c0eac1bdb4d7fb6a32205f3732

SHA256
7c194b89ee27cb6a2edd8a100e7731fc4977fcbe1517e17bbee2299d1ad426ac

SHA512
df1f7f6453266b238ae5dd6cad98246ca4eb7d0a148331d5974b767f2bce9e51581dd142acbf0b80af419e85471bb8141d6fc76b0e1a53f3b0331a487795c327

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc975F.tmp

Filesize
660B

MD5
ef827095057da0304b070414f96230e4

SHA1
e372fa409ff8f1f7bc950eff86d590f85bda04d8

SHA256
7fb1e7504342090ae690591fb33d58c827b48257597796f79dfddd2cbfddf781

SHA512
af3902bf9fcf867b6ec8e80cf5d0a64895b8cee0c54df99cf212a2231a230b89d8736260a62c93a4a5ca48a13bcda5c17a8307c70d8e9e540c3e064ae45ddc6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2372-8-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2372-18-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2416-0-0x0000000074331000-0x0000000074332000-memory.dmp

Filesize
4KB

Download
memory/2416-1-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2416-2-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2416-24-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads